The stock listed above does not take into account variances in stock levels that may occur and any items on hold.
Panasonic's Motion Sensor detects motion up to 5 meters away. No wires to worry about as the sensor runs on two AA batteries (1 year life). Long range ensures that the device is in constant communication with the Hub.
"This product must be used in conjunction with KXHNB600 Hub unit (sold separately)"
"KXHNB600 Hub is included in all Home Monitoring Kits (KXHN6000, KXHN6001, KXHN6002, KXHN6003)"